/usr/lib/ruby/vendor_ruby/active_model/model.rb is in ruby-activemodel 2:4.2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# == Active \Model \Basic \Model
#
# Includes the required interface for an object to interact with
# <tt>ActionPack</tt>, using different <tt>ActiveModel</tt> modules.
# It includes model name introspections, conversions, translations and
# validations. Besides that, it allows you to initialize the object with a
# hash of attributes, pretty much like <tt>ActiveRecord</tt> does.
#
# A minimal implementation could be:
#
# class Person
# include ActiveModel::Model
# attr_accessor :name, :age
# end
#
# person = Person.new(name: 'bob', age: '18')
# person.name # => "bob"
# person.age # => "18"
#
# Note that, by default, <tt>ActiveModel::Model</tt> implements <tt>persisted?</tt>
# to return +false+, which is the most common case. You may want to override
# it in your class to simulate a different scenario:
#
# class Person
# include ActiveModel::Model
# attr_accessor :id, :name
#
# def persisted?
# self.id == 1
# end
# end
#
# person = Person.new(id: 1, name: 'bob')
# person.persisted? # => true
#
# Also, if for some reason you need to run code on <tt>initialize</tt>, make
# sure you call +super+ if you want the attributes hash initialization to
# happen.
#
# class Person
# include ActiveModel::Model
# attr_accessor :id, :name, :omg
#
# def initialize(attributes={})
# super
# @omg ||= true
# end
# end
#
# person = Person.new(id: 1, name: 'bob')
# person.omg # => true
#
# For more detailed information on other functionalities available, please
# refer to the specific modules included in <tt>ActiveModel::Model</tt>
# (see below).
module Model
extend ActiveSupport::Concern
include ActiveModel::Validations
include ActiveModel::Conversion
included do
extend ActiveModel::Naming
extend ActiveModel::Translation
end
# Initializes a new model with the given +params+.
#
# class Person
# include ActiveModel::Model
# attr_accessor :name, :age
# end
#
# person = Person.new(name: 'bob', age: '18')
# person.name # => "bob"
# person.age # => "18"
def initialize(params={})
params.each do |attr, value|
self.public_send("#{attr}=", value)
end if params
super()
end
# Indicates if the model is persisted. Default is +false+.
#
# class Person
# include ActiveModel::Model
# attr_accessor :id, :name
# end
#
# person = Person.new(id: 1, name: 'bob')
# person.persisted? # => false
def persisted?
false
end
end
end
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